nubus_readb
#define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr)
return nubus_readb(esp->regs + reg * 16);
clut_status = nubus_readb(&civic_cmap_regs->status2);
junk = nubus_readb(&civic_cmap_regs->lut);
junk = nubus_readb(&civic_cmap_regs->lut);
junk = nubus_readb(&civic_cmap_regs->lut);
junk = nubus_readb(&civic_cmap_regs->lut);